SOLUTION: carlos worked 31.5 hours at a hospital as a volunteer. this represents 87.5% of his schools requirement for community service. how many hours does his school require for community
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Question 373440: carlos worked 31.5 hours at a hospital as a volunteer. this represents 87.5% of his schools requirement for community service. how many hours does his school require for community service
Found 2 solutions by fractalier, josmiceli:
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
For this you can set up the proportion
31.5 is to x as 87.5% is to 100%, that is
Normally we might cross-multiply, but notice that 87.5/100 reduces to 7/8...so we can simply write
and
and
x = 36 hours
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = his school's requirement for community service
36 hours is the requirement
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